The contact owns a 2014 Ford F-150. The contact stated that while driving at approximately 35 MPH and exiting the gas station, the vehicle failed to accelerate as intended while depressing the accelerator pedal. The contact stated that the vehicle jerked and then stalled. The check engine warning light was intermittently illuminated. The contact was able to coast to the side of the road. The vehicle was restarted; however, the failure persisted. The vehicle was taken to a dealer where it was diagnosed and determined that the timing chain was stretched and needed to be replaced. The vehicle was not repaired. The contact stated that three months prior to the failure, the heater on the vehicle failed to operate as intended. The heater was repaired. The contact also stated that several weeks later, the backlight failed to operate as intended. The vehicle was taken to the dealer where it was diagnosed that the socket had corroded. The vehicle was repaired. The manufacturer was not notified of the failure. The failure mileage was approximately 178,000.